test lint

.github/workflows/linting.yaml

@@ -0,0 +1,26 @@
+name: linting
+on: pull_request
+
+jobs:
+  checkLinting:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        ref: ${{ github.event.pull_request.base.sha }}
+    - uses: actions/checkout@v3
+      with:
+        ref: ${{ github.sha }}
+    - uses: actions/setup-python@v4
+      with:
+        python-version: 3.7.9
+        architecture: x86
+    - name: Install required Python packages
+      run: |
+        python -m pip install flake8~=3.7.7 flake8-tabs==2.1.0
+    - name: generate pull request diff
+      run: |
+        git diff -U0 ${{ github.event.pull_request.base.sha }} | Out-File -FilePath _lint.diff
+    - name: Run flake8
+      run: |
+        Get-Content -Path _lint.diff | python -Xutf8 -m flake8 --diff --config=tests/lint/flake8.ini